Displaying publications 1 - 20 of 343 in total

  1. Banerjee U, Das P
    Behav Processes, 1977 Jun;2(2):175-86.
    PMID: 24896436 DOI: 10.1016/0376-6357(77)90019-5
    Albino Wistar rats of both sexes were given a conditioned taste aversion training (CTA). Saccharin was used as the conditional stimulus (CS) and apomorphine-induced illness as the unconditional stimulus (US) on day 4. Amnestic treatment with electroconvulsive shock (ECS) or nitrogen anoxia were given to the rats at various points within the 180-min long CS-US interval as well as after the US. They were reexposed to the CS on days 5 and 6 in order to evaluate CTA and its extinction respectively. Apomorphine injection alone produced significant CTA as long as the CS-US interval was less than 120 min but not beyond it. Saline injections, with or without amnestic treatments, produced only an adaptation to and preference for saccharin. ECS could prevent CTA when delivered within 85 min before or 110 min after the US. Anoxia was effective at a much shorter range of time than ECS. The results are discussed in the perspectives of neophobia, saccharin aversion, amnestic agents and the character as well as gradients of amnesia produced.
    Matched MeSH terms: Rats, Wistar
  2. Shariff KA, Tsuru K, Ishikawa K
    Mater Sci Eng C Mater Biol Appl, 2017 Jun 01;75:1411-1419.
    PMID: 28415432 DOI: 10.1016/j.msec.2017.03.004
    β-Tricalcium phosphate (β-TCP) has attracted much attention as an artificial bone substitute owing to its biocompatibility and osteoconductivity. In this study, osteoconductivity of β-TCP bone substitute was enhanced without using growth factors or cells. Dicalcium phosphate dihydrate (DCPD), which is known to possess the highest solubility among calcium phosphates, was coated on β-TCP granules by exposing their surface with acidic calcium phosphate solution. The amount of coated DCPD was regulated by changing the reaction time between β-TCP granules and acidic calcium phosphate solution. Histomorphometry analysis obtained from histological results revealed that the approximately 10mol% DCPD-coated β-TCP granules showed the largest new bone formation compared to DCPD-free β-TCP granules, approximately 2.5mol% DCPD-coated β-TCP granules, or approximately 27mol% DCPD-coated β-TCP granules after 2 and 4weeks of implantation. Based on this finding, we demonstrate that the osteoconductivity of β-TCP granules could be improved by coating their surface with an appropriate amount of DCPD.
    Matched MeSH terms: Rats, Wistar
  3. Barkia I, Ketata Bouaziz H, Sellami Boudawara T, Aleya L, Gargouri AF, Saari N
    Environ Sci Pollut Res Int, 2020 Jun;27(16):19087-19094.
    PMID: 30612348 DOI: 10.1007/s11356-018-4007-6
    Protein hydrolysates and bioactive peptides from various protein sources have demonstrated their effectiveness for the prevention of illness and the improvement of symptoms from several diseases. In particular, the use of microalgae to generate bioactive peptides has received a growing interest because of their potential to be cultivated on non-arable land and high nutritional value. However, scant research is available on the toxicity of peptide-based preparations. The present study aims to evaluate the toxicity of microalgal protein hydrolysates (MPH) from one marine species of microalgae (Bellerochea malleus) to determine the feasibility of their use for functional food applications. Results showed that the oral administration of MPH at three doses (D1, 100 mg kg-1 BW; D2, 400 mg kg-1 BW; and D3, 2000 mg kg-1 BW) to male Wistar rats did not induce any adverse effects or mortality up to13 days of treatment. Data analysis of relative organ weights and biochemical and hematological parameters did not show any significant differences between control and treated groups at the three doses investigated. Data from histopathological observations did not reveal any signs of major toxicity at the doses D1 and D2. However, mild signs of inflammation and necrosis were observed in the kidney of rats fed MPH at D3. All together, these results reveal the overall safety of MPH and provide new evidence for advocating their use for functional food or nutraceutical applications.
    Matched MeSH terms: Rats, Wistar
  4. Omotoso GO, Kadir RE, Sulaimon FA, Jaji-Sulaimon R, Gbadamosi IT
    Malays J Med Sci, 2018 Sep;25(5):35-47.
    PMID: 30914861 DOI: 10.21315/mjms2018.25.5.4
    Background and aim: This study aimed to determine the effect of gestational nicotine exposure before neurodevelopment on the morphology and histology of the prefrontal cortex (PFC) in rats.

    Methodology: Adult female Wistar rats were time-mated and grouped into three categories: (a) control-given 0.1 mL of normal saline, (b) low-dose nicotine-given 6.88 mg/ kg/d/0.05 mL, and (c) high-dose nicotine-given 13.76 mg/kg/d/0.1 mL in two divided doses. Treatment was given intraperitoneally from gestational days 2 to 6. On postnatal day 15 (P15), the pups were separated from their mothers, anaesthetised and sacrificed, followed by intracardial perfusion with 4% paraformaldehyde. PFC was excised from the brain and processed for tissue histology, histochemistry, and morphology of brain cells.

    Results: Gestational nicotine exposure during the first week of gestation in rats significantly reduced birth weights in nicotine-treated groups compared with control; it, however, accelerated body weights, altered neuronal morphology, and elevated astrocytic count significantly, while oligodendroglial count was slightly increased in the PFC of juvenile rats examined at P15.

    Conclusion: These alterations revealed that gestational nicotine exposure before the commencement of the cellular processes involved in brain development negatively affects neurodevelopment, and this could result in neurological dysfunctions in later life.

    Matched MeSH terms: Rats, Wistar
  5. Mazaheri B, Emami F, Moslemi F, Talebi A, Nematbakhsh M
    Malays J Med Sci, 2019 Jul;26(4):39-46.
    PMID: 31496892 DOI: 10.21315/mjms2019.26.4.5
    Backgrounds: Renal ischemia/reperfusion (RIR) is a major cause of kidney dysfunction in clinic. The main objective of this study was to investigate the effect of pre-conditioning ischemia (IPC) and zinc (Zn) supplementation on renal RIR injury.

    Methods: A total of 63 unilateral nephrectomised male and female Wistar rats were divided into five groups. Group 1 (ShOPR): Rats as sham-operated group were subjected to surgical procedure without RIR. Group 2 (Isch): Rats underwent RIR (left kidney ischemia for 30 min followed by 48 h reperfusion). Group 3 (Zn+Isch): Rats were treated as group 2 but they received Zn sulphate (30 mg/kg) 1 h before induction of RIR. Group 4 (IPC+Isch): Rats were treated as group 2 but they underwent 1 min of ischemia followed by 3 min reperfusion as IPC, which was repeated for three times before induction of RIR. Group 5 (Zn+IPC+Isch): Rats were subjected to receive both Zn sulphate and IPC before induction of RIR. Urine samples were collected in the last 6 h of reperfusion, and finally biochemical and histological measurements were performed.

    Results: The serum level of creatinine (Cr), normalised kidney weight (KW) and kidney tissue damage score (KTDS) increased by RIR alone significantly (P < 0.05). These parameters were attenuated statistically by Zn supplementation (P < 0.05). However, IPC alone or co-treatment of Zn and IPC did not improve the biochemical and histological markers altered by RIR injury.

    Conclusion: Zn supplementation had a protective role against RIR while such protective effect was not observed by IPC alone or by co-treatment of Zn and IPC.

    Matched MeSH terms: Rats, Wistar
  6. Rajasekaran A, Sivakumar V
    Nephrolepis cordifolia rhizome (sword fern) juice was investigated for diuretic activity in wistar rats. Different parameters viz. total urine volume (corrected for water intake during the test period), urine concentration of electrolytes such as sodium, potassium and chloride have been evaluated. Rhizome juice of Nephrolepis cordifolia (100 mg/kg), the reference drug, furosemide (20 mg/kg) was administrated orally to male Wistar rats and their urine output was quantitated at several intervals of time after the dose. After single dose of the rhizome juice of Nephrolepis cordifolia, urine output was significantly increased. Increase in urinary levels of Na+, K+ and Cl- was also observed after the administration of rhizome juice.
    Matched MeSH terms: Rats, Wistar
  7. Mu’izuddin M. Senin, Imad M. Al-Ani, Mohamed Imad A.M. Mahmud, Naznin Muhammad, Hanif M. Kasmuri
    Introduction: Virgin coconut oil (VCO) is known for its health and therapeutic benefits. However, the immunomodulatory effects of VCO have not been extensively investigated. Objective: The present study was devoted to examining the effects of VCO on cyclophosphamide (CY)-induced toxicity of lymphoid tissues. Methods: Thirty healthy male Wistar rats were sorted into 5 groups of 6 animals. The first control (NC) group was given distilled water via gavage at 5 ml/kg once daily. The second (CY) group received CY orally at 10 mg/kg/day for 4 weeks. Rats in the other three groups (CV5, CV10, and CV15) were given 10 mg/kg/day CY for 4 weeks, 5 m/kg/day, 10 ml/kg/day and 15 ml/kg/day VCO for 6 weeks, respectively. Rats were sacrificed at the end of 6th week; blood sample from the animals was collected for full blood count and biochemical analysis. The thymus and spleen of each animal was processed for histological examination. Results: The thymus and spleen showed marked reduction in lymphoid cellularity following daily administration of CY. The thymus also showed a marked reduction in the size of the medulla, and the white pulp areas of spleen had reduction in the follicle number and size. Supplementation with 10 ml/kg and 15 ml/kg VCO showed evidence of restoration of both the thymus and splenic lymphoid architecture. The total white cell counts, absolute lymphocyte counts and plasma globulin levels of the VCO groups were significantly increased compared to CY group. Conclusion: VCO displayed potential protective effects on CYinduced histological changes in lymphoid tissues.
    Matched MeSH terms: Rats, Wistar
  8. Iwaki T, Nonaka N, Okamoto M, Oku Y, Kamiya M
    J Parasitol, 1994 Jun;80(3):461-7.
    PMID: 8195949
    Developmental and morphological characteristics of 3 isolates of Taenia taeniaeformis isolated from Clethrionomys rufocanus bedfordiae in Abuta (70 km southwest of Sapporo), Japan (isolate ACR), and from Rattus norvegicus in Sapporo, Japan (isolate SRN) and Kuala Lumpur, Malaysia (isolate KRN) were compared. Eggs of 3 isolates were administered to several species of rodents. Isolate ACR infected C. rufocanus bedfordiae, Apodemus speciosus, and Apodemus argenteus, but not rats or mice, whereas isolate SRN and isolate KRN were infective to rats, mice, A. speciosus, and A. argenteus, but not to C. rufocanus bedfordiae. The increase in cyst size of isolate ACR continued during the experimental period, whereas that of the other 2 isolates had ceased growing after 30 days postinfection. However, significant differences were observed in the length of the small rostellar hooks, number and distribution of testes, and the length of the cirrus sac between isolate ACR and the other 2 isolates. Thus it is suggested that isolate ACR is a distinct strain or even a new species.
    Matched MeSH terms: Rats, Wistar/parasitology*
  9. Lokman FE, Gu HF, Wan Mohamud WN, Yusoff MM, Chia KL, Ostenson CG
    PMID: 24319481 DOI: 10.1155/2013/727602
    Aims. To evaluate the antidiabetic properties of borapetol B known as compound 1 (C1) isolated from Tinospora crispa in normoglycemic control Wistar (W) and spontaneously type 2 diabetic Goto-Kakizaki (GK) rats. Methods. The effect of C1 on blood glucose and plasma insulin was assessed by an oral glucose tolerance test. The effect of C1 on insulin secretion was assessed by batch incubation and perifusion experiments using isolated pancreatic islets. Results. An acute oral administration of C1 improved blood glucose levels in treated versus placebo groups with areas under glucose curves 0-120 min being 72 ± 17 versus 344 ± 10 mmol/L (P < 0.001) and 492 ± 63 versus 862 ± 55 mmol/L (P < 0.01) in W and GK rats, respectively. Plasma insulin levels were increased by 2-fold in treated W and GK rats versus placebo group at 30 min (P < 0.05). C1 dose-dependently increased insulin secretion from W and GK isolated islets at 3.3 mM and 16.7 mM glucose. The perifusions of isolated islets indicated that C1 did not cause leakage of insulin by damaging islet beta cells (P < 0.001). Conclusion. This study provides evidence that borapetol B (C1) has antidiabetic properties mainly due to its stimulation of insulin release.
    Matched MeSH terms: Rats, Wistar
  10. Pamidi N, Satheesha Nayak BN
    Bratisl Lek Listy, 2012;113(10):583-8.
    PMID: 23094894
    The present study was designed to evaluate the diabetes induced neuronal damage in the hippocampus of the rat brain.
    Matched MeSH terms: Rats, Wistar
  11. Pandanaboina SC, Kondeti SR, Rajbanshi SL, Kunala PN, Pandanaboina S, Pandanaboina MM, et al.
    Food Chem, 2012 May 1;132(1):150-9.
    PMID: 26434274 DOI: 10.1016/j.foodchem.2011.10.046
    Recent advances in our understanding of the pathogenesis of alcohol-induced hepato-renal injury and the development of new approaches to its treatment have been reported in various works. This study involves alcohol-induced oxidative stress linked to the metabolism of ethanol involving both mitochondrial and peroxisomal fractions of liver and kidney. Alcohol treatment resulted in the depletion of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), Glutathione-S-Transferase (GST) activities, and reduced glutathione (GSH) content, higher level of malondialdehyde (MDA) and lower levels of protein carbonyls (PC) causing malfunction of hepatic and renal tissues, when compared to control rats. Thespesia populnea (TP) leaf extracts, administered to chronic alcohol ingested rats, were envisaged to possess significant antioxidant defence properties and help in the recovery of tissues from alcohol-induced oxidative damage. The results showed that degenerative changes in hepatic and renal cells of alcoholic groups were minimized by the administration of TP leaf extracts as also revealed by histopathological examination. The current findings indicate that treatment with TP extracts reduces alcohol-induced oxidative stress, thereby protecting the hepatic and renal tissue from alcohol-induced damage.
    Matched MeSH terms: Rats, Wistar
  12. Mok SY, Nadasdy Z, Lim YM, Goh SY
    Neuroscience, 2012 Mar 29;206:17-24.
    PMID: 22266346 DOI: 10.1016/j.neuroscience.2012.01.009
    An ultra-slow oscillation (<0.01 Hz) in the network-wide activity of dissociated cortical networks is described in this article. This slow rhythm is characterized by the recurrence of clusters of large synchronized bursts of activity lasting approximately 1-3 min, separated by an almost equivalent interval of relatively smaller bursts. Such rhythmic activity was detected in cultures starting from the fourth week in vitro. Our analysis revealed that the propagation motifs of constituent bursts were strongly conserved across multiple oscillation cycles, and these motifs were more consistent at the electrode level compared with the neuronal level.
    Matched MeSH terms: Rats, Wistar
  13. Kamath S, Rao SG, Murthy KD, Bairy KL, Bhat S
    Indian J. Exp. Biol., 2006 Nov;44(11):902-4.
    PMID: 17205711
    Contribution and role of a pyramid/square box on the wound healing suppressant effect of dexamethasone was studied in rats of either sex using excision wound model to record the wound contraction rate and epithelization period. The results showed enhanced wound contraction rate and decreased epithelization period in the pyramid-exposed rats as compared to controls. Thus, it appears that pyramid environment facilitates the process of wound healing. Also, the wound healing suppressant effects of dexamethasone were significantly reduced.
    Matched MeSH terms: Rats, Wistar
  14. Petchi RR, Parasuraman S, Vijaya C, Gopala Krishna SV, Kumar MK
    J Basic Clin Pharm, 2015 Jun;6(3):77-83.
    PMID: 26229343 DOI: 10.4103/0976-0105.160738
    To formulate a polyherbal formulation and evaluate its antiarthritic activity against Freund's complete adjuvant induced arthritis in Female Wistar rats.

    Glycosmis pentaphylla, Tridax procumbens, and Mangifera indica are well-known plants available throughout India and they are commonly used for the treatment of various diseases including arthritis. The polyherbal formulation was formulated using the ethanol extracts of the stem bark of G. pentaphylla , whole plant of T. procumbens, and leaves of M. indica. The polyherbal formulation contains the ethanol extracts of G. pentaphylla, T. procumbens, and M. indica in the ratio of 2:2:1. The quality of the finished product was evaluated as per the World Health Organization's guidelines for the quality control of herbal materials. Arthritis was induced in female Wistar rats using Freund's complete adjuvant (FCA), and the antiarthritic effect of polyherbal formulation was studied at doses of 250 and 500 mg/kg. The effects were compared with those of indomethacin (10 mg/kg). At the end of the study, blood samples were collected for biochemical and hematological analysis. The radiological examination was carried out before terminating the study.

    Polyherbal formulation showed significant antiarthritic activity at 250 and 500 mg/kg, respectively, and this effect was comparable with that of indomethacin. The antiarthritic activity of polyherbal formulation is supported by biochemical and hematological analysis.

    The polyherbal formulation showed signinicant antiarthritic activity against FCA-induced arthritis in female Wistar rats.

    Arthritis; Fingerprint analysis; Glycosmis pentaphylla; Mangifera indica; Tridax procumbens
    Matched MeSH terms: Rats, Wistar
  15. Mwakikunga A, Hosie MJ
    Cell Tissue Res, 2016 Apr;364(1):209-17.
    PMID: 25971929 DOI: 10.1007/s00441-015-2180-1
    An alternative superovulator to replace clomiphene citrate (CC) is needed as it is unsuitable for women with polycystic ovarian syndrome and is associated with low pregnancy rates. Anastrozole is an effective superovulator, but has not been well researched. The aim of this study was to determine the optimal dose of anastrozole as a superovulator and ascertain its effects on implantation and uterine ultrastructure during early pregnancy in Wistar rats using scanning electron microscopy. The uterine morphological characteristics which were studied in day 1 and 6 pregnant rats include microvilli density, length, surface "beads", surface glycocalyx, cell borders and apices, uterine surface fording and large surface protrusions. A significant increase in implantation sites is seen in the 15 mg/kg anastrozole group, compared to control. Day 1 and 6 anastrozole groups have similar morphology to the control and different to the CC group. At day 6, large surface protrusions are mostly noted but not limited to anastrozole-treated rats; anastrozole also appears to retain glycocalyx to some extent. The increased number of implantation sites in the 15 mg/kg anastrozole group suggests that this dose superovulates and favors implantation. Anastrozole is probably dose-/species-specific and additionally the surface uterine morphology suggests that anastrozole is implantation friendly.
    Matched MeSH terms: Rats, Wistar
  16. Abu MN, Samat S, Kamarapani N, Nor Hussein F, Wan Ismail WI, Hassan HF
    PMID: 25821506 DOI: 10.1155/2015/985042
    The antidiabetic properties of Tinospora crispa, a local herb that has been used in traditional Malay medicine and rich in antioxidant, were explored based on obesity-linked insulin resistance condition. Male Wistar rats were randomly divided into four groups, namely, the normal control (NC) which received standard rodent diet, the high fat diet (HFD) which received high fat diet only, the high fat diet treated with T. crispa (HFDTC), and the high fat diet treated with orlistat (HFDO). After sixteen weeks of treatment, blood and organs were harvested for analyses. Results showed that T. crispa significantly (p < 0.05) reduced the body weight (41.14 ± 1.40%), adiposity index serum levels (4.910 ± 0.80%), aspartate aminotransferase (AST: 161 ± 4.71 U/L), alanine aminotransferase (ALT: 100.95 ± 3.10 U/L), total cholesterol (TC: 18.55 ± 0.26 mmol/L), triglycerides (TG: 3.70 ± 0.11 mmol/L), blood glucose (8.50 ± 0.30 mmo/L), resistin (0.74 ± 0.20 ng/mL), and leptin (17.428 ± 1.50 ng/mL) hormones in HFDTC group. The insulin (1.65 ± 0.07 pg/mL) and C-peptide (136.48 pmol/L) hormones were slightly decreased but within normal range. The histological results showed unharmed and intact liver tissues in HFDTC group. As a conclusion, T. crispa ameliorates insulin resistance-associated with obesity in Wistar rats fed with high fat diet.
    Matched MeSH terms: Rats, Wistar
  17. Ima Nirwana S, Fakhrurazi H
    Med J Malaysia, 2002 Jun;57(2):136-44.
    PMID: 24326643
    The aim of this study was to determine the effects of palm oil-derived vitamin E on glucocorticoid-induced osteoporosis. Three-month old male Wistar rats were adrenalectomised to remove circulating glucocorticoids. The animals were then administered with Dexamethasone 120 µg/kg body weight/day. Treatment with palm vitamin E 60 mg/kg body weight/day was given simultaneously. The results showed that palm vitamin E prevented the loss in regional and whole body bone mineral density seen in the Dexamethasone treated animals. Palm vitamin E improved femoral length and calcium content in the Dexamethasone treated animals. The results confirmed that palm oil-derived vitamin E was effective in preventing glucocorticoid-induced osteoporosis.
    Matched MeSH terms: Rats, Wistar
  18. Vennila GD, Suresh Kumar G, Khairul Anuar A, Rajah S, Saminathan R, Sivanandan S, et al.
    Parasitol Res, 1999 Feb;85(2):162-4.
    PMID: 9934969
    The shedding pattern of the protozoan parasite, Blastocystis hominis, is investigated in man and in experimental animal infections. The shedding pattern of the vacuolar and cystic forms of Blastocystis hominis in infected individuals have been shown in the present study to be irregular. The study shows that there is marked fluctuation in the shedding of the parasite from day to day, varying from as high as 17 to 0 per x40 microscopic field. The cystic stages when estimated in 8 Blastocystis-infected individuals ranged from as high as 7.4x10(5) cysts per gram of stool to 0. The shedding of cystic and vacuolar forms observed over a period of 20 days in experimentally-infected Wistar rats were not only shown to be irregular but the amount varied from host to host. The study has important diagnostic implications in that the stool samples must be collected more than once from patients showing clinical signs and symptoms to eliminate the cause of it to Blastocystis. The study also shows that there are asymptomatic individuals who pass a large amount of cysts as such individuals should be treated to prevent transmission to others.
    Matched MeSH terms: Rats, Wistar
  19. Ganaraja B, Pavithran P, Ghosh S
    Indian J Med Sci, 2004 Apr;58(4):150-4.
    PMID: 15122050
    BACKGROUND: Plasma ceruloplasmin, a copper containing protein, belongs to a class called acute phase proteins. Reduced level of ceruloplasmin was associated with Wilson's disease and Menke's kinky hair disease in man, primarily affecting copper metabolism. Stress was known to increase Ceruloplasmin. Several stress associated changes were commonly observed in women at menopause and also those who underwent overiectomy. Present experiment investigated the effect of estrogen on ceruloplasmin level in acute stress.

    AIMS: To assess the estradiol induced changes in plasma ceruloplasmin concentration on exposure of the rats to acute stress.

    SETTINGS AND DESIGN: Acute stress was induced by forcing the rats to swim till exhaustion. The rats were overiectomised bilaterally to remove the primary source of sex hormones. And hormone replacement was done later.

    MATERIAL AND METHODS: Wistar albino female rats were used. Acute stress was induced before overiectomy, following recovery from surgery, and again after Estradiol Valerate injection (for 10 days) in same group of rats. The plasma ceruloplasmin was estimated immediately after stress during each stage--that is preoperative control, stressed control, after overiectomy and then following treatment with Estradiol Valerate.

    STATISTICAL ANALYSIS USED: Paired sample T test was applied to analyze the findings.

    RESULTS: We found lowest ceruloplasmin level after stress in overiectomised animals, while on substitution of estradiol the trend appeared to be reversed.

    CONCLUSION: The result suggested a direct effect of estrogen on hepatic ceruloplasmin production/release and this could account for some of the beneficial effects of hormone replacement therapy.

    Matched MeSH terms: Rats, Wistar
  20. Sembulingam K, Sembulingam P, Namasivayam A
    Indian J Med Sci, 2003 Nov;57(11):487-92.
    PMID: 14646156
    Effect of various stressor agents on the adrenergic system in brain had been studied extensively. However, reports on the effect of stress on various parameters of central cholinergic system are scanty. And very little is known about the effect of noise stress on the cholinergic system in brain. Hence, it was decided to elucidate the effect of acute noise stress on the activity of the enzyme acetylcholinesterase in discrete areas of brain in albino rats. Male albino rats of Wistar strain were subjected to acute noise stress for 30 minutes. The noise of pure sine wave tone was produced by using a function generator and was amplified. The frequency of noise generated was 1 kHz and the intensity was set at 100 dB. The total acetylcholinesterase activity was determined in the tissues of cerebral cortex, corpus striatum, hypothalamus and hippocampus of brain in these rats. The enzyme activity was estimated by colorimetric method using acetylthiocholine iodide as the substrate. The values were compared with the enzyme activity in the control rats. The activity of the enzyme increased significantly in all the four regions of the brain in rats after exposure to noise stress for 30 minutes. The results of the study indicate that the exposure to acute noise stress could modulate the cholinergic system in these areas of brain in rat.
    Matched MeSH terms: Rats, Wistar
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